/Engine/Plugins/Enterprise/DataprepEditor/Source/DataprepCore/Public/DataprepAsset.h
If action is nullptr, a new DataprepActionAsset is simply created
The index of the added action or index none if the action is invalid
int32 AddAction ( const [UDataprepActionAsset](API\Plugins\DataprepCore\UDataprepActionAsset_1) * Action )